<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <link href="/css/base.css" rel="stylesheet" />
    <title>Document</title>
</head>
<body>
    <%= username %> 
    <h2>表单提交</h2>
    <form action="/dologin" method="post" >
        账号<input type="text" name="username" /><br>
        密码<input type="text" name="password" /><br>
        <input type="submit" />
    </form>
</body>
</html>